Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740395 | Substrate smoothed by coating with gypsum-containing composition and method of making | John D. Halm, Aida L. Carbo, Michael R. Lynn, Richard B. Stevens, Charles J. Miller +1 more | 2004-05-25 |
| 6406779 | Gypsum/fiber board with improved surface characteristics | Adelaida Carbo | 2002-06-18 |
| 5336318 | Clay-free, asbestos-free and glass microbubble-free drying type joint compounds | Therese A. Espinoza | 1994-08-09 |
| 4820754 | Drywall coating composition | Robert H. Negri | 1989-04-11 |
| 4743475 | Drywall coating composition | Robert H. Negri | 1988-05-10 |